What is GBTC? The Grayscale Bitcoin Trust, which trades under the ticker GBTC, is an investment vehicle that trades similar to a stock, with each share representing a specific amount of Bitcoin (BTC). Grayscale is a company providing various financial products. It originally launched GBTC in 2013. The product trades over the counter (OTC), although Grayscale aims to transform it into an exchange-traded fund (ETF). Historically, the price of Grayscale’s GBTC has traded notably above and below the equivalent value of the underlying BTC per share when compared with trading Bitcoin on crypto exchanges. This price difference is referred to as the GBTC premium. Is GBTC a good way to buy Bitcoin? GBTC essentially gives people outside of the cryptosphere the opportunity to own Bitcoin that is packaged similar to a stock under traditional United States regulations.